{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process parameter", "machine or equipment", "manufacturing process", "manufacturing standard", "machanical property", "biomedical"], "input": "Optical and scanning electron microscopy examination and 180 degree U-bend test indicated that defect free seam welds could be obtained with this method ."}
{"process parameter": [], "machine or equipment": [], "manufacturing process": [], "manufacturing standard": [], "machanical property": [], "biomedical": []}